<?php
namespace Home\Model;
use Think\Model;
class VerifyModel extends Model {
   public function Oneverify()
   {
   		$sql = 'select * from verify order by rand() limit 1';
   		$question = $this->query($sql);

   		$question = current($question);

        $_SESSION['answer'] = $question['answer'];

        // var_dump($question);

   		// var_dump($question);
   		return $question['question'];
   }
}